Home / 666,460.04-999,587.34-217,179.76

Finding the Fourth Proportional to 666,460.04, 999,587.34 and 217,179.76

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Solution

The fourth proportional to 666,460.04, 999,587.34 and 217,179.76 is: 325,736.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,460.04 : 999,587.34 = 217,179.76 : x
  2. Step 2: Convert to fraction form
    666,460.04/999,587.34 = 217,179.76/x
  3. Step 3: Cross multiply
    666,460.04x = 999,587.34 × 217,179.76
  4. Step 4: Simplify right side
    666,460.04x = 217,090,138,600.24
  5. Step 5: Solve for x
    x = 217,090,138,600.24/666,460.04
  6. Step 6: Final answer
    x = 325,736.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.